Home / 2,479.48-3,425.70-2,110.36

Finding the Fourth Proportional to 2,479.48, 3,425.70 and 2,110.36

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Solution

The fourth proportional to 2,479.48, 3,425.70 and 2,110.36 is: 2,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.48 : 3,425.70 = 2,110.36 : x
  2. Step 2: Convert to fraction form
    2,479.48/3,425.70 = 2,110.36/x
  3. Step 3: Cross multiply
    2,479.48x = 3,425.70 × 2,110.36
  4. Step 4: Simplify right side
    2,479.48x = 7,229,460.25
  5. Step 5: Solve for x
    x = 7,229,460.25/2,479.48
  6. Step 6: Final answer
    x = 2,915.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.